The outline of rooftops and chimneys ________ against the pale sky.
A、pulledoutD
A离开B注意、留神C提供D显眼、突出
Anxiety can ________ with children ’s performance at school.
英语翻译：我希望我的书将阐明我们面临的复杂问题。
Thefarmingmethodshavebeen________improvedwiththeinventionofthenewmachine.
The students are required to ________ the main ideas of the article in their own words.
Since we have a focused subject ，we should not talk ________.
